Ebooks Stack Exchange
Ebooks Stack Exchange

Questions tagged [calibre]

Open-source ebook library management application for Windows, macOS, and Linux.

The Calibre logo. It looks like four books standing as if on a shelf. The left one has a burgundy spine with “Calibre” printed on it. The next has a green spine with “Kovid Goyal” (the author of Calibre) printed on it. The last two are yellow and blue, and are leaning against the first two.

Calibre is a free and open source ebook library management application. It runs on Windows, macOS and Linux. It supports many formats and can convert ebooks between them. It can synchronize to many devices.

Calibre has plug-in interfaces for several features (conversion, downloading to devices, news feeds), which can be programmed in Python.

There is also a support forum on mobileread.com.

183 questions
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Calibre ignoring font settings?

I am using Calibre 2.49 on an Ubuntu machine and I noticed that in eBook viewer preferences, whatever font I set, calibre just displays the default font. I tried this on many ePub books. Here is a screenshot of my preferences dialog: I tried…
mayank budhwani
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Where is the best place to get Calibre?

If you search for Calibre you find multiple places to get this free ebook management tool from. I know some people have downloaded it and got lots of junk at the same time. from others, I keep hearing that this is wonderful product. Where are the…
James Jenkins
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Calibre custom news source - How to set publication author(s)

I have a few news downloads set up in Calibre (BBC, Guardian and a few custom ones as well). I note that once they are downloaded that the 'Author(s)' column for the publication is set to 'calibre'. Ideally, I would like this to reflect the actual…
Steve Martin
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Calibre viewer displays books wrong

I'm using Calibre the ebook viewer to view PDFs, DjVu, and ePub books. I don't know what version the program is, since I couldn't find any about dialog to confirm it. But I downloaded a couple of weeks ago. There was a update very recently which I…
Santropedro
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How to sort on books that aren't in a specific format in calibre

I'm using calibre to convert my books from pdf to mobi. My issue is that I have hundreds of books that are already in the mobi format and I'm looking only to convert the books that aren't already in the mobi format. When I try to convert all of my…
Ravenous
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How to call a plugin from command line?

How to, lets say, hyphen an ebook with Hyphenate This! plugin from command line?
Smit Johnth
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How to fix Calibre Author amalgamations?

Somehow I have managed to have several 'authors' that are an amalgamation of different names. Unfortunately, I can't seem to get them split up to how they are supposed to be. When I browse the Authors, it will just have a couple of entries…
Stigma
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Huge icons after update

I upgraded to Calibre 3.4.0 (don't know what the old version was exactly 2.9?) and now my icons are huge. I tried to follow the advice in this thread, but can't find find automatic scaling in the Preferences > Look and Feel. I thought it maybe was…
user9765
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How do I start over and create a new Calibre library?

I don't know what to do to get my Calibre library back. I have tried restoring my Calibre library from backups, and either get a message that no valid library is present when I try to switch libraries in the Calibre app, or, it seems to import my…
ChipAhoy
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Create more than one database for Calibre and load both or switch between them

I'm new to Calibre and just installed it yesterday to manage my books. It seems great for handling books in various formats. I have thousands *pdf books and about 250 printed books that I'm going to add to Calibre regularly. I'd like to have two…
Masoud Moghaddam
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How to show all the books under a tag and its subtags?

Calibre has a feature that lets you create subtags. See "Making subgroups of tags" in the official blog post. Now to actually get hierarchical tags, in the tags section of the metadata entry enter a tag of the form MainTag.SubTag. Like in the top…
Andrew-Dufresne
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difference between Calibre's metadata.opf and content.opf

I created an ebook with Sigil, then I converted it to mobi using Calibre. While I was at it, I edited (Calibre's) metadata and set Italian as language. A friend of mine warned me that hyphenation was English and not Italian: indeed I reopened the…
mau
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Calibre on TrueNAS

I have setup Truenas scale 22.12.3.1 and I wanted to move my libraries to Truechart calibre app. So I setup the app with app storage 2 NFS Shares, 1 for Imports and 1 for Libraries. The NFS Share imports is mounted inside the container at…
Kostas
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use vi/zathura bindigs with calibre viewer

I have used zathura for ebook viewing in the past. I accidentally stumbled upon the calibre ebook-viewer after downloading the editor and I quite like the extra functionality it offers. However, I can not get used to the keybindings. I have been…
iHnR
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Calibre: Difference between "Date" and "Published"

When editing the metadata of a book on Calibre, there are two fields that seem to have the same meaning: "Date" and "Published". What's the difference between the two?
user.S
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